text: * Class "Melainabacteria"  ["Vampirovibrionia"; "Vampirovibrionophyceae" ] (ACD20)
  ** Order "Caenarcanales"  ["Caenarcaniphilales" ]
  *** Family "Caenarcanaceae" 
  **** Genus "Ca. Caenarcanum" 
  ***** "Ca. C. bioreactoricola" 
  ** Order "Obscuribacterales" 
  *** Family "Obscuribacteraceae" 
  **** Genus "Ca. Obscuribacter" 
  ***** "Ca. O. phosphatis" 
  ** Order "Vampirovibrionales" 
  *** Family "Vampirovibrionaceae" 
  **** Genus Vampirovibrio 
  ***** V. chlorellavorus 
  ** Order "Gastranaerophilales" 
  *** Family CAJFVJ01
  **** Genus "Ca. Adamsella" 
  ***** "Ca. A. avium" 
  *** Family RUG14156
  **** Genus "Ca. Galligastranaerophilus" 
  ***** "Ca. G. faecipullorum" 
  ***** "Ca. G. gallistercoris" 
  ***** "Ca. G. intestinavium" 
  ***** "Ca. G. intestinigallinarum" 
  *** Family "Gastranaerophilaceae" 
  **** Genus "Ca. Avigastranaerophilus" 
  ***** "Ca. A. faecigallinarum" 
  **** Genus "Ca. Gastranaerophilus" 
  ***** "Ca. G. phascolarctosicola" 
  ***** "Ca. G. termiticola" 
  **** Genus "Ca. Limenecus" 
  ***** "Ca. L. avicola" 
  **** Genus "Ca. Scatenecus" 
  ***** "Ca. S. faecavius" 
  **** Genus "Ca. Spyradomonas" 
  ***** "Ca. S. excrementavium" 
  **** Genus "Ca. Stercorousia" 
  ***** "Ca. S. faecigallinarum" 
  **** Genus "Ca. Scatousia" 
  ***** "Ca. S. excrementigallinarum" 
  ***** "Ca. S. excrementipullorum"